export interface FormatDynamicFeeUsdOptions {
    /**
     * Threshold in USD above which the fee should be displayed in %
     *
     * Defauls to 2.5
     *
     * Pass null to disable % format altogether
     */
    percentThreshold?: number | null;
}
/**
 * For any fees, if the total fee amounts to less than $2.50, show the fee as a strict dollar value.
 * If the fee is greater than $2.50, show it as a percent.
 * If the fee is less than $0.01, show <$0.01 instead.
 * If the fee is $0.00, show $0.00.
 */
export declare function formatDynamicFeeUsd(fee: number, total: number, options?: FormatDynamicFeeUsdOptions): string;
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